WO2021153161A1 - Pneu non pneumatique - Google Patents

Pneu non pneumatique Download PDF

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Publication number
WO2021153161A1
WO2021153161A1 PCT/JP2021/000010 JP2021000010W WO2021153161A1 WO 2021153161 A1 WO2021153161 A1 WO 2021153161A1 JP 2021000010 W JP2021000010 W JP 2021000010W WO 2021153161 A1 WO2021153161 A1 WO 2021153161A1
Authority
WO
WIPO (PCT)
Prior art keywords
connecting portion
pneumatic tire
outer annular
annular portion
axle
Prior art date
Application number
PCT/JP2021/000010
Other languages
English (en)
Japanese (ja)
Inventor
孝至 高松
直希 渡邉
Original Assignee
ソニーグループ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ソニーグループ株式会社 filed Critical ソニーグループ株式会社
Publication of WO2021153161A1 publication Critical patent/WO2021153161A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B9/00—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces
    • B60B9/02—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces using springs resiliently mounted bicycle rims
    • B60B9/10—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces using springs resiliently mounted bicycle rims of rubber or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C7/00—Non-inflatable or solid tyres

Definitions

  • the first connecting portion 13 and the second connecting portion 14 are formed of, for example, a low-rigidity plastic material such as rubber or an elastomer.
  • the material of the first connecting portion 13 is the same as the material of the second connecting portion 14.
  • the first connecting portion 13 and the second connecting portion 14 may be made of at least one of the materials of the inner annular portion 11 and the outer annular portion 12.
  • the first connecting portion 13 and the second connecting portion 14 are integrally formed with the inner annular portion 11. May be good.
  • the first connecting portion 13 and the second connecting portion 14 is the same as the material of the outer annular portion 12, the first connecting portion 13 and the second connecting portion 14 are integrally formed with the outer annular portion 12. May be good.
  • the third connecting portion 25 supports between the intersection of the first connecting portion 13 and the second connecting portion 14 and the outer annular portion 12, lifting can be suppressed. Thereby, the ground contact property of the non-pneumatic tire 20 can be improved.
  • the non-pneumatic tire 20 improves the torque transmission force by improving the ground contact property.
  • the region surrounded by the first connecting portion 13, the second connecting portion 14, and the outer annular portion 12 in the cross section in the axle Ax direction is improved in rigidity by the third connecting portion 25.
  • the rigidity in the axle Ax direction can also be improved. Thereby, the cornering performance and the steering performance can be improved.
  • the first connecting portion 43 and the second connecting portion 44 are formed of, for example, a low-rigidity plastic material such as rubber or an elastomer.
  • the material of the first connecting portion 43 is the same as the material of the second connecting portion 44.
  • the first connecting portion 43 and the second connecting portion 44 may be made of at least one of the inner annular portion 11 and the outer annular portion 12.
  • the first connecting portion 43 and the second connecting portion 44 are integrally formed with the inner annular portion 11. May be good.
  • the first connecting portion 43 and the second connecting portion 44 is the same as the material of the outer annular portion 12, the first connecting portion 43 and the second connecting portion 44 are integrally formed with the outer annular portion 12. May be good.
  • the third connecting portion 45 acts as a compression spring with respect to the load applied from the outer annular portion 12 to the central portion of the first connecting portion 43 and the second connecting portion 44.
  • the springiness of the third connecting portion 45 is higher than that of the first connecting portion 43 and the second connecting portion 44.
  • FIG. 5 is a perspective one-sided cross-sectional view of the non-pneumatic tire 50 according to the fifth embodiment.
  • the non-pneumatic tire 50 of the fifth embodiment is different from the non-pneumatic tire 40 of the fourth embodiment in that it has a third connecting portion 55 instead of the third connecting portion 45.
  • the third connecting portion 65 supports between the first connecting portion 43 and the outer annular portion 12 and between the second connecting portion 44 and the outer annular portion 12, lifting can be suppressed. Thereby, the ground contact property of the non-pneumatic tire 60 can be improved.
  • the non-pneumatic tire 60 improves the torque transmission force by improving the ground contact property.
  • the region between the first connecting portion 43 and the outer annular portion 12 and the region between the second connecting portion 44 and the outer annular portion 12 are the third. Since the rigidity is improved by the connecting portion 65, the rigidity in the axle Ax direction can also be improved.
  • the fourth connecting portion 751 and the fifth connecting portion 752 are formed of, for example, a low-rigidity plastic material such as rubber or an elastomer.
  • the material of the fourth connecting portion 751 is the same as the material of the fifth connecting portion 752.
  • the fourth connecting portion 751 and the fifth connecting portion 752 may be made of at least one of the inner annular portion 11 and the outer annular portion 12.
  • the fourth connecting portion 751 and the fifth connecting portion 752 are integrally formed with the outer annular portion 12. May be good.
  • the material of the fourth connecting portion 751 and the fifth connecting portion 752 may be the same as the material of the first connecting portion 73 and the second connecting portion 74.
  • the fourth connecting portion 751 and the fifth connecting portion 752 are the first connecting portions. It may be formed integrally with 73 and the second connecting portion 74.
  • the present technology can also have the following configurations.
  • Inner ring and An outer annular portion coaxially provided on the outer side of the inner annular portion, A first connecting portion that connects the inner annular portion on one end side in the axial direction and the outer annular portion on the other end side in the axial direction in an axial cross section.
  • a second connecting portion that intersects the first connecting portion in a circumferential direction and connects the inner annular portion on the other end side in the axial direction and the outer annular portion on the one end side in the axial direction.
  • a third connecting portion that radially connects the first connecting portion, the second connecting portion, and the outer annular portion, and Non-pneumatic tires including.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)

Abstract

Ce pneu non pneumatique comprend : une section annulaire intérieure ; une section annulaire extérieure qui est disposée coaxialement à l'extérieur de la section annulaire intérieure ; des premières sections de liaison qui, dans une section transversale de direction axiale, relient la section annulaire intérieure sur un côté d'extrémité de direction axiale avec la section annulaire extérieure sur l'autre côté d'extrémité de direction axiale ; des deuxièmes sections de liaison qui se croisent avec les premières sections de liaison dans une vue en direction circonférentielle, et relient la section annulaire intérieure sur l'autre côté d'extrémité de direction axiale avec la section annulaire extérieure sur le côté d'extrémité de direction axiale ; et des troisièmes sections de liaison qui relient les premières sections de liaison et les deuxièmes sections de liaison avec la section annulaire extérieure dans la direction radiale.
PCT/JP2021/000010 2020-01-28 2021-01-04 Pneu non pneumatique WO2021153161A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020-011971 2020-01-28
JP2020011971 2020-01-28

Publications (1)

Publication Number Publication Date
WO2021153161A1 true WO2021153161A1 (fr) 2021-08-05

Family

ID=77078349

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2021/000010 WO2021153161A1 (fr) 2020-01-28 2021-01-04 Pneu non pneumatique

Country Status (1)

Country Link
WO (1) WO2021153161A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4253084A1 (fr) * 2022-03-30 2023-10-04 The Goodyear Tire & Rubber Company Pneu non pneumatique ou roue à rayons en caoutchouc renforcé

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08506549A (ja) * 1993-11-29 1996-07-16 ユニローヤル グッドリッチ ライセンシング サービシス，インコーポレイティド 複式非空気入りタイヤ及びその製造方法
US20090173421A1 (en) * 2008-01-08 2009-07-09 Freudenberg-Nok General Partnership Flatless Hybrid Isolated Tire
JP2015039899A (ja) * 2013-08-20 2015-03-02 東洋ゴム工業株式会社 非空気圧タイヤ
JP2018016304A (ja) * 2016-07-29 2018-02-01 錦湖タイヤ株式会社Ｋｕｍｈｏ Ｔｉｒｅ Ｃｏ．， Ｉｎｃ． 非空気入りタイヤ
JP2019089308A (ja) * 2017-11-16 2019-06-13 錦湖タイヤ株式会社Ｋｕｍｈｏ Ｔｉｒｅ Ｃｏ．， Ｉｎｃ． 非空気入りタイヤの製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08506549A (ja) * 1993-11-29 1996-07-16 ユニローヤル グッドリッチ ライセンシング サービシス，インコーポレイティド 複式非空気入りタイヤ及びその製造方法
US20090173421A1 (en) * 2008-01-08 2009-07-09 Freudenberg-Nok General Partnership Flatless Hybrid Isolated Tire
JP2015039899A (ja) * 2013-08-20 2015-03-02 東洋ゴム工業株式会社 非空気圧タイヤ
JP2018016304A (ja) * 2016-07-29 2018-02-01 錦湖タイヤ株式会社Ｋｕｍｈｏ Ｔｉｒｅ Ｃｏ．， Ｉｎｃ． 非空気入りタイヤ
JP2019089308A (ja) * 2017-11-16 2019-06-13 錦湖タイヤ株式会社Ｋｕｍｈｏ Ｔｉｒｅ Ｃｏ．， Ｉｎｃ． 非空気入りタイヤの製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4253084A1 (fr) * 2022-03-30 2023-10-04 The Goodyear Tire & Rubber Company Pneu non pneumatique ou roue à rayons en caoutchouc renforcé

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